# coding：utf-8
# 质数：只能够被1和本身整除
def get_z():
    is_z = 1
    for i in range(2, 100):
        for j in range(2, i):
            if i % j == 0:
                is_z = 0
                break
            else:
                is_z = 1
        if is_z == 1:
            print(i)


get_z()
